Greenhouse Seeds

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The Greenhouse Seed Company was established in 1995 in Amsterdam, The Netherlands by Arjan Roskam and is one of the leading brands in the cannabis business today. After years of intensive breeding and creating exceptional varieties for medicinal and recreational purposes they expanded into various markets. Their breeding efforts have been awarded with prices at 35 High Times Cannabis Cups, 17 Highlife Cups and many more private awards in many other countries. Just like some huge or exclusive food companies have food hunters, they have a team of "Strain Hunters" that spent over 20 years on a quest to obtain the most important and isolated cannabis varieties known to man in Africa, Asia and South America. And now it is time to show the world the results of their devotion and passion. Celebrity Friends of the Green House include: 50 Cent, Alanis Morrisset, Alicia Keys, Bio Hazard, Black Crowes, Bon Jovi, Cypress Hill, Eminem, Fun Luvin Criminals, Gwen Stefani, Kevin Spacey, Lenny Kravitz, Limp Bizkit, Ludacris,Metallica, Method Man, Mike Tyson, Pierce Brosnan, Snoop Dogg, Wesley Snipes, Woody Harrelson, Wu Tang Clan, Xzibit and many more...

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Velvet Moon (Greenhouse Seeds) feminized

Green House Seeds' Velvet Moon is a fast-flowering, high-yielding, and super-resinous hybrid. A cross between Do Si Dos and Holy Punch, Velvet Moon boasts a sweet aroma combining fruity, earthy, and citric notes alongside a hard-hitting cerebral high.

In stock

Jack's Dream (Greenhouse Seeds) Feminized

A cross between the iconic Jack Herer and AMS, Jack's Dream is a well-balanced indica-dominant hybrid that's easy to grow even in the smallest spaces, without sacrificing quality. With a fast flowering time and delicious aromas, Jack's Dream will make a great addition to your cannabis garden.

In stock

Kalashnikova Autoflowering (Greenhouse Seeds) feminized

To create Kalashnikova Autoflowering, Greenhouse Seeds harnessed their AK47 x White Widow crossbreeding and brought it together with Green-O-Matic. The outcome is a strong, very high yielding plant with exceptional resin production and a fast-hitting high. This automatic rifle shoots very rapidly - from germination to harvest it takes only 9 weeks.

In stock

Dark Phoenix (Greenhouse Seeds) Feminized

Dark Phoenix is a 60/40 sativa-leaning hybrid from Green House Seeds' US collection. Boasting big yields of delicious bud with a complex aroma and an uplifting, focused high, Dark Phoenix is ideal for sativa lovers looking to harvest quality bud without the extra-long wait.

In stock

Holy Snow (Greenhouse Seeds) feminized

A cross between Hawaiian Snow and Holy Punch, Green House Seeds' Holy Snow boasts a long-lasting, social, and creative high alongside an exceptional aroma combining notes of Haze and ripe stone fruit. Perfect for smoking all day and growing both indoors and out, Holy Snow will make a great addition to any cannabis garden.

In stock

King's Juice (Greenhouse Seeds) Feminized

Looking for an exciting new hybrid to add to your garden? King's Juice by Green House Seeds is a fast-growing hybrid from the seed bank's USA feminized line, offering heavy harvests of extremely aromatic and potent buds.

In stock

Northern Lights Autoflowering (Greenhouse Seeds) feminized

When the prospects are not that good you need a light in the dark. Northern Lights Autoflowering is the perfect remedy to brighten your day and to take the pain away. Be it indoors or outdoors, she will switch to flowering after only roughly two weeks of vegetative growth and finish at a height of around 90-120cm. This cunning illuminant is able to deliver up to 800g/m²!

In stock

Sweet Mango Autoflowering (Greenhouse Seeds) feminized

Sweet Mango Autoflowering is a highly productive crossing of Mango and Big Bang Autoflowering. With yields of up to 700g/m² in a grow-room, this variety is a great choice for commercial growers. Sweet Mango Autoflowering does not care if she is brought up indoors or outdoors; in both cases she will require only 9 weeks from germination to a bountiful harvest.

In stock

Auto-Bomb Autoflowering (Greenhouse Seeds) feminized

Auto-Bomb Autoflowering has been bred by blending two autoflowering varieties and has a very good resistance to lower temperatures. This tenacious plant will flower as long as the temperature does not drop below 10°C. Auto-Bomb Autoflowering requires only 7 weeks of flowering to reach full maturity - irrespective to the cultivation method.

In stock

Super Bud (Greenhouse Seeds) feminized

The name of this variety is not a hollow promise, Super Bud is a true monster when it comes to yields. In an indoor plantation it is possible to harvest 900g/m² and outdoors you will be dumbfounded when you see a plant carrying up to 1kg of smokable flowers! Smoking Super Bud weed is very calming, almost narcotic, making her a great choice for patients with insomnia.

In stock

Kalashnikova (Greenhouse Seeds) feminized

Kalashnikova is the offspring sired from the marriage of two legendary varieties - AK-47 and White Widow. Merging those famed genetics resulted in a plant with enormous yields and a dazzling resin production. Kalashnikova responds nicely to pruning and branches very well, making her a perfect strain for cultivation in SOG and ScrOG setups. Can produce 1kg per plant.

In stock

Super Critical (Greenhouse Seeds) feminized

What do you get when you mix Big Bud with Skunk and White Widow? Super Critical, a variety bigger than the sum of its ancestors. This hybrid is incredibly productive and boasts with a strong body-related inebriation. Yields of roughly 800g/m² in a grow-room are already exceptional, but what do you think about plants yielding 1.2kgs?! Perfect weed for killing pain.

In stock

Exodus Cheese (Greenhouse Seeds) feminized

Every Cheese lover will cheer out loud for Exodus Cheese is indeed the extremely popular Cheese strain from out of the UK and it is finally available in seed form. While not being the most easy plant to rear, she is a very rewarding variety with a great potency. During the flowering period she definitely needs support or the branches will bend under the weight of the buds.

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Pure Kush (Greenhouse Seeds) feminized

As the name already suggests, Pure Kush is precisely that - a pure Kush variety. Greenhouse Seeds selected an exemplary OG Kush phenotype with reddish/pinkish hues on the calyxes and stigmas. But Pure Kush is not only a feast for the eye, she is extremely productive and has the potential to yield 900g/m², respectively 900 grams per plant outdoors. 19% THC.

In stock

Moby Dick (Greenhouse Seeds) feminized

This is a clash of the titans, a get-together of legends, a union of celebrities - Haze meets White Widow. If you enjoy an intense body numbing sensation, but don't want to abstain from the heady aspect of cannabis, step into the ring with Moby Dick and you'll be beaten up by the genetics of two heavy-weight champions over several rounds. Get aboard, Captain Ahab!

In stock

Damn Sour (Greenhouse Seeds) feminized

Damn Sour is based on the famed Sage and Sour Diesel and boasts with an intensely sour aroma and flavor, beefed up with hints of berries. S.A.G.E. is an acronym for Sativa Afghan Genetic Equilibrium and it is known for its balance, hardiness, medicinal potential and pleasant flavor, wherein Sour Diesel is a very popular strain in the USA and has a sour, lemony taste.

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Jack Herer (Greenhouse Seeds) feminized

This is Greenhouse Seeds' tribute to the marijuana activist Jack Herer. They took a Haze and crossed it with Red Skunk, resulting in a very potent and high yielding variety. With Jack Herer weed you can effectively reduce pain and stimulate appetite. Jack Herer yields up to 800g/m² after 8 weeks and boasts with a THC level of 20%. Strong cerebral and physical effect.

In stock

King's Kush (Greenhouse Seeds) feminized

King's Kush is truly a regal weed - at least you will feel like a king when the harvesting time has come. The royal loot after a 9 weeks long crusade in the homeland of flowers can amount to 800g/m². This crossbreed of OG Kush and Grape is extremely potent. The THC level is at 20% and the effects of smoking this weed last for a long time. Can yield 1.1kg outdoors.

In stock

Bubba Kush (Greenhouse Seeds) feminized

Let Bubba Kush take you by the hand and take you to the pain-free land of sleep. This highly productive crossbreed of Bubble Gum and Kush is able to yield in the range of 700-800g/m² in an indoor setup and is not miserly when it comes to the cannabinoids load. 18% of the harvest are THC and the high resin production pretty much calls for hash production.

In stock

Super Lemon Haze (Greenhouse Seeds) feminized

Super Lemon Haze is a very tasty variety - she has a very distinct flavor of citrus fruits mixed with the unmistakable influence of a Haze. The taste buds are fondled by lemon, lime and pink grapefruit and on the exhale the mouth is filled with very earthy and musky flavors, underlaid by traces of incense and black pepper. Able to yield up to 1.2kg outdoors.

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Arjan's Haze 3 (Greenhouse Seeds) feminized

Arjan's Haze 3 is very likely one of the smallest Sativas you will ever see. But this does not mean she produces low yields! This cute little green lady is flexible, strong and bushy and performs great in a SOG and ScrOg setup, yielding up to 700g/m². And she delivers a highly potent product with a very sweet and fruity flavor and high CBD and CBN levels. Ready after 10 weeks.

In stock

Arjan's Ultra Haze 1 (Greenhouse Seeds) feminized

Arjan's Ultra Haze 1 is an award-winning Sativa bred by mingling Neville's Haze, Cambodian and Laos. This is the perfect choice for mental meditation, introspection, reflection and contemplation or simply put spiritual relaxation. But she calls for a patient grower, for it takes her 13-14 weeks to reach full maturity. Tall plant with long branches and high yields.

In stock

Mango Haze (Greenhouse Seeds) feminized

Arjan's Ultra Haze #2 is an award-winning Sativa with a pleasant taste, high potency and very good productivity. This variety is the best choice if you are out for an intense and long lasting mood-elevating, uplifting and social high and a sweet flavor. Arjan's Ultra Haze #2 requires 12-16 weeks of flowering and rewards the long wait with up to 800g/m². 17-22% THC.

In stock

White Widow (Greenhouse Seeds) feminized

White Widow is very likely one of the most renowned cannabis varieties of all times - and not groundless. This mix of Brazilian and South Indian genetics is known for its extreme resin production and potency. Despite the strong Indica influence it takes White Widow 8-10 weeks to reach full maturity but the yield of up to 800g/m² is a more than generous reward.

In stock

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Information Greenhouse Seeds

Information Greenhouse Seeds

Greenhouse Seeds is seen as one of the most successful seed banks of all time, winning numerous awards, and producing multiple world renowned strains of cannabis seeds. Much of this fame is thanks to the Arjan, the owner and cofounder of Greenhouse Seeds, and co-explorer/hunter of Strain Hunters. It is through his continued work to discover, breed, and experiment with landrace strains that Green House Seeds was able to build such a reputation for itself. And he has now been at it for over 25 years.

Often dubbed the King of Cannabis, Arjan has taken a personal and vested interest in ensuring that the seeds on offer at Greenhouse Seeds cover a wide range of traits and features. This means there is something for everyone at Greenhouse Seeds, no matter if you are an indica or a sativa lover, grow indoors or outdoors, or simply want an auto strain - you will be able to find seeds suited to you.

Working through their associated company, Strain Hunters, Greenhouse Seeds has also dedicated itself to furthering the cannabis cause, campaigning for the end to prohibition and aiming to preserve rare landrace strains. In Arjan’s Words:

“When I was just 17 years old I met an old wise man. He looked me in the eyes and gave me a cannabis seed. He told me that the cannabis plant can be so powerful to overthrow governments, and to change the planet. Ever since, my goal in life has been to legalize cannabis for medicinal and recreational use, for everybody. Taxes and regulation will create a safer world for our children, a world with less crime, better public health and a solid economy. I am humbled and proud to be helping this green revolution, because those who have history will shape the future”.

Greenhouse Seeds packaging

Greenhouse Seeds packaging

Greenhouse Seeds’ packaging is both stylish and practice, ensuring that any seeds obtained from them are held and transported both safely and securely. The “genetic disk” design is Greenhouse Seeds Signature, and displays all of the basic information about the cannabis seeds within.

Whilst sturdy, Greenhouse Seeds’ packaging is designed to only be opened once, and is not re-sealable. If you get more seeds than you intend to use in one go, ensure you have a suitable storage solution lined up to keep your seeds safe.

Greenhouse Seeds’ cannabis seeds come in packs of 3, 5 or 10 seeds. Mixed packs come with coloured seeds, so you will know exactly which seed is which strain.

Awards Greenhouse Seeds

With over 100 awards to their name, Greenhouse Seeds are one of the most decorated and celebrated seed banks out there. It is helped them spread their name and become one of the largest seedbanks of today’s cannabis seed market.

As a list of 100+ awards can be pretty daunting to read, we have put together all of their 1st place wins, so you can see the strains that really shine through.

Super Lemon Haze

Super Lemon Haze (Greenhouse Seeds)


  • 2013 Expogrow-Irún, 1st place for Best Sativa
  • 2012 Seattle Medical Cup, 1st place for Best Sativa
  • 2009 High Times Cannabis Cup, 1st place for Best Overall Strain & Best Sativa
  • 2008 High Times Cannabis Cup, 1st place for Best Overall Strain

One of Greenhouse Seeds’ most recognisable and iconic strains, Super Lemon Haze is a multiple award winning behemoth. Its well balanced and finely tuned genetics induce a mixed mind and body high, and its smoke produces an intense lemony flavour that has become a trademark of the strain.

Buy Super Lemon Haze


Cheese (Greenhouse Seeds)


  • 2013 Spannabis, 1st place for Best Outdoor Strain
  • 2013 ExpoGrow-Irún, 1st place

Cheese is an old-school classic that still remains popular to this day. Its high yields, pungent aroma, and potently couch locking high makes this indica dominant beauty well deserving of its awards.

Buy Cheese

Exodus Cheese

Exodus Cheese (Greenhouse Seeds)


  • 2012 ExpoGrow-Irún, 1st place for Best Indica

Exodus Cheese is an extremely popular UK take on the famous Cheese strain. Whilst not the easiest to grow, it rewards growers ten-fold for their effort with some of the dankest, pungent bud around.

Buy Exodus Cheese

Super Silver Haze

Super Silver Haze (Greenhouse Seeds)


  • 2009 Soft Secrets Magazine, Plant of the Year
  • 1999 High Times Cannabis Cup, 1st place for Best Overall Strain
  • 1998 High Times Cannabis Cup, 1st place for Best Overall Strain & Best Hydro
  • 1997 High Times Cannabis Cup, 1st place for Best Hydro

A highly sought after sativa dominant hybrid, Super Silver Haze has stood the test of time, winning multiple awards over the last decade. It is the mix of Skunk, Northern Light, and Haze, packs all of the power you would expect from these three well known varieties.

Buy Super Silver Haze

Arjan’s Ultra Haze #1

Arjan’s Ultra Haze #1  (Greenhouse Seeds)


  • 2006 High Times Cannabis Cup, 1st place for Best Overall Strain

Arjan’s Ultra Haze #1 is an extremely peaceful and chill strain, ideal for relaxation and reflection. Its mellow nature is not to be underestimated though – it has all of the power where it counts.

Buy Arjan’s Ultra Haze #1

Great White Shark

Great White Shark (Greenhouse Seeds)


  • 2005 High Life Festival, 1st place for the Super Cup & Best Hydro

Whilst Great White Shark has a modest, but respectable 14% THC, it is able to boast a CBD content of 1.7%. This not only makes it a great strain for chilling, but also appealing to those who want more from their cannabis.

Buy Great White Shark

NL5 Haze Mist

NL5 Haze Mist (Greenhouse Seeds)


  • 1996 High Times Cannabis Cup, 1st place for Best Hydro

NL5 Haze Mist is a sativa dominant resin factory. Its buds are so big, potent and sticky that anyone interested in top quality hash need look no further. The mix of the original NL5 with a Haze x Skunk x Kali mist crossing, NL5 Haze Mist is an example of Old-school genetics at their best.

Buy NL5 Haze Mist

White Widow

White Widow (Greenhouse Seeds)


  • 1995 High Times Cannabis Cup, 1st place for Best Overall Strain & Best Bio

White Widow is an Amsterdam favourite to this say. And that is saying a lot considering how old the strain is. It is an absolute classic, and must have for anyone who wants a bit of living history. It’s high yielding, potent, flavourful, easy to grow, and has an unforgettable high. A complete all-star!

Buy White Widow

These are but a few of the many awards filling Greenhouse Seeds’ trophy cases. It is a testament to the seed bank, and hopefully gives you a few ideas for strains to try!